Finding the Fourth Proportional to 163,385,368.24, 225,466,083.48 and 89,044,397.68
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Solution
The fourth proportional to 163,385,368.24, 225,466,083.48 and 89,044,397.68 is: 122,878,148.86
Step by Step Solution
- Step 1: Write the proportion equation
163,385,368.24 : 225,466,083.48 = 89,044,397.68 : x - Step 2: Convert to fraction form
163,385,368.24/225,466,083.48 = 89,044,397.68/x - Step 3: Cross multiply
163,385,368.24x = 225,466,083.48 × 89,044,397.68 - Step 4: Simplify right side
163,385,368.24x = 20,076,491,600,745,200 - Step 5: Solve for x
x = 20,076,491,600,745,200/163,385,368.24 - Step 6: Final answer
x = 122,878,148.86
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.